Use the number grid to subtract $30-2.$
 

$1$	$2$	$3$	$4$	$5$	$6$	$7$	$8$	$9$	$10$
$11$	$12$	$13$	$14$	$15$	$16$	$17$	$18$	$19$	$20$
$21$	$22$	$23$	$24$	$25$	$26$	$27$	$28$	$29$	$30$
$31$	$32$	$33$	$34$	$35$	$36$	$37$	$38$	$39$	$40$
$41$	$42$	$43$	$44$	$45$	$46$	$47$	$48$	$49$	$50$

Fill in the blanks with $(+)$ or $(-)$ sign.

$68 \square 26=42$.

Find the number $100$ less than $628$$?$

Rewrite in the correct place and then solve.

$379-25$

Decide whether to add, subtract, multiply, or divide and then solve. 

One morning, at a construction site, there were $4751$ bricks. At the end of the day, there were $918$ bricks. How many bricks were used during the day?

Find the number $100$ less than $761$$?$

Find the number $100$ less than $527$$?$

Fill in the blanks with $(+)$ or $(-)$ sign.

$24 \square 13=11$.

Rewrite in the correct place and then solve.

$589-43$

Find the number $100$ less than $813$$?$

Use the stripe to find the answer.

$8-5=\square$

$\begin{array}{ccc}& \mathrm{T}& \mathrm{O}\\ & 4& 0\\ +& & 7\\ & & \end{array}$

Find the number $100$ less than $475$$?$

Use the stripe to find the answer.

$11-5=\square$

Decide whether to add, subtract, multiply, or divide and then solve. 

A factory that manufactures erasers has received an order for $2500$ erasers. $1539$ erasers are ready. How many more are needed?

Find the number $100$ less than $483$$?$

Read them carefully and decide whether you have to add, subtract and multiply.

Another newspaper man, Prakesh, delivers $\square$ papers a month, While Prasad delivers $\square$ papers a month. How many more does Prasad need to deliver in order to reach the same number as Prakash $?$

Rewrite in the correct place and then solve.

$913-3$

Use the stripe to find the answer.

$14-7$

Find the number $100$ less than $339$$?$